package com.itheima.reggie.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.CustomerException;
import com.itheima.reggie.dao.CategoryMapper;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Dish;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetMealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> implements CategoryService {

   @Autowired
    DishService dishService;
   @Autowired
    SetMealService setMealService;
    @Override
    public void remove(Long id) {
        LambdaQueryWrapper<Dish> queryWrapper1 = Wrappers.lambdaQuery(Dish.class).eq(Dish::getCategoryId, id);
        int count1 = dishService.count(queryWrapper1);
        if (count1 > 0) {
            throw new CustomerException("该分类已关联菜品,不可删除!");
        }

        LambdaQueryWrapper<Setmeal> queryWrapper2 = Wrappers.lambdaQuery(Setmeal.class).eq(Setmeal::getCategoryId, id);
        int count2 = setMealService.count(queryWrapper2);
        if (count2 > 0) {
            throw new CustomerException("该分类已关联套餐,不可删除!");
        }

        this.removeById(id);

    }
}
